Suryakanta What are the Types of VG Bitumen As per IS:73-2006 , bitumen is classified into four types based on viscosity, as given below. VG-10 VG-20 VG-30 VG-40 What are the Requirements of Paving Bitumen (VG Bitumen) Characteristics Paving Grades or Viscosity Grade Bitumen Requirements VG-10 VG-20 VG-30 VG-40 Absolute viscosity at 600C, Poises, Min 800 … Read more
Memory is the diary that we all carry about with us. Oscar Wilde Put not your trust in money, but put your money in trust. O.W. Holmes Love your neighbor, yet pull not down your hedge. Unknown Keep your face to sunshine and you cannot see the shadow. Helen Keller A wise man’s country is … Read more
Advantages of Viscosity Grade Bitumen Viscosity grade bitumen is based on fundamental engineerin7g properties and not on empirical properties. It is a performance based grading system. Viscosity grading system takes into account both low and high temperature susceptibility of bitumen. Viscosity grade bitumen is very easy to handle as viscosity value at two different temperatures … Read more
Throughout history, numerous incredible engineering projects have been established and completed. From the earliest annals of history to modern times, there are numerous creations that showcase our ability to realize an incredible constructive vision. While every engineer or anyone who appreciates structures may have their own opinion on what engineering project is most impressive, it … Read more
The empires of the future are the empires of the mind. Winston Churchill There is no failure except in no longer trying. Elbert Hubbard To love oneself is the beginning of a lifelong romance. Oscar Wilde Life always waits for some crisis to occur before revealing itself at its most brilliant. Paulo Coelho The actions … Read more
Information to be Supplied by The Producer Before supplying any concrete, the producer should provide the following information to the purchaser. Nature and source of each constituent material Source of supply of cement Proposed proportions or quantity of each constituent/m3 of fresh concrete If any admixture is to be used to produce concrete, then following … Read more
Information to be Supplied by the Purchaser It is recommended that a meeting must be held between the purchaser and the producer of concrete. In the meeting the following points should be discussed. Details of concrete mix Use of concrete Type of structure Performance requirement Notice to be given prior to delivery Delivery rate Purchaser’s … Read more
Storing of Cement on Site – Guidelines Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm … Read more
What is Mortar? It is a plastic mixture of binding material (like cement, lime, etc), fine aggregates (like sand, surkhi, etc), water and any admixture approved by the engineer in-charge. This is used to bond masonry or structural units. There are different types of mortar used in construction industry. The following are the type of … Read more
Atterberg Limits of Soil The term Atterberg limits is named as per the Swedish agriculturist Albert Atterberg. When water is added into a soil mass, it changes its state from solid to liquid. He divided the entire range from solid to liquid into four stages: The solid state The semi-solid state The plastic state The … Read more